diff -ruN libexif-0.6.13/doc/Makefile.am libexif-0.6.13-fixed/doc/Makefile.am
--- libexif-0.6.13/doc/Makefile.am	2007-02-04 15:10:39.692419000 +0100
+++ libexif-0.6.13-fixed/doc/Makefile.am	2007-02-04 15:12:54.920870250 +0100
@@ -21,6 +21,9 @@
 	doxygen $<
 	echo > $@
 
+$(HTML_APIDOC_DIR).stamp: $(DOXYGEN_OUTPUT_DIR).stamp
+	echo > $@
+
 $(top_builddir)/libexif/libexif.la:
 	cd $(top_builddir)/libexif && $(MAKE) libexif.la